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33838413 = 371611353
BaseRepresentation
bin1000000100010…
…1010101001101
32100200011120120
42001011111031
532130312123
63205135153
7560423160
oct201052515
970604516
1033838413
1118112334
12b3ba4b9
13701a13b
1446cbad7
152e862e3
hex204554d

33838413 has 8 divisors (see below), whose sum is σ = 51563328. Its totient is φ = 19336224.

The previous prime is 33838403. The next prime is 33838421. The reversal of 33838413 is 31483833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33838413 - 24 = 33838397 is a prime.

It is a super-4 number, since 4×338384134 (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33838403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805656 + ... + 805697.

It is an arithmetic number, because the mean of its divisors is an integer number (6445416).

Almost surely, 233838413 is an apocalyptic number.

It is an amenable number.

33838413 is a deficient number, since it is larger than the sum of its proper divisors (17724915).

33838413 is a wasteful number, since it uses less digits than its factorization.

33838413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611363.

The product of its digits is 20736, while the sum is 33.

The square root of 33838413 is about 5817.0794218405. The cubic root of 33838413 is about 323.4471500913.

The spelling of 33838413 in words is "thirty-three million, eight hundred thirty-eight thousand, four hundred thirteen".

Divisors: 1 3 7 21 1611353 4834059 11279471 33838413